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Side x Sides/ATVs/Quads/Bikes/Jeeps/4x4's! Side x Sides, ATVs, Quads, Bikes, Jeeps, 4x4, and everything else. |
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01-11-2021, 06:29 PM | #11 |
Not Yet Wild
Join Date: Sep 2020
Posts: 58
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Re: EPIC amp ATV
How are you managing battery charging? I only have experience with RC stuff where 6s is common and 12s is huge and everything is 1p.
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01-11-2021, 09:48 PM | #12 | |
Gone Wild
Join Date: Jul 2017
Location: West Columbia Texas
Posts: 1,036
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Re: EPIC amp ATV
Quote:
If the extra voltage helps with efficiency and speed that will be the route I go. How ever it might take some time to get there. Its going to be an expensive venture ill have about 2k in a controller and charger. Idk about a bms that might get expensive too. I want to look into using multiple 10s bms boards rather than 1 board having to be able to hold 150v. Idk if there are any draw backs to that or any reason I shouldn't. Need to investigate that a bit more. Sent from my SM-G960U using Tapatalk |
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01-14-2021, 01:22 PM | #13 |
Not Yet Wild
Join Date: Jul 2012
Posts: 57
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Re: EPIC amp ATV
That ride looks bad to the bone!
I bet that could be fun at the deer lease. |
01-17-2021, 08:22 AM | #14 |
Gone Wild
Join Date: Jul 2017
Location: West Columbia Texas
Posts: 1,036
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Re: EPIC amp ATV
First drive at 72v- 84v fully charged. Way more power in the mid range than it had at 64v. I was told the TSX controller i have was built with 100v parts and that it would handle a charge of 99v. Well I tried and kept getting over voltage errors. I spoke with navitas and the controller is software limited to 86v. So that has prevented me from trying higher voltages. Ive pretty much decided on getting a new controller and I have some golf cart parts I can sell to offset the cost a good bit. Itll just take some time. Probably going to go with a Kelly controller of some sort.
In the mean time I was able to buy another 2 gen 3 modules so ill have 10gen 3s at 72v for 160ah. I have a wild plan using a set of contractors to switch the 72v pack to 144v a the flip of a switch. I need to see if thats somthing I can do on the fly or not. I would think its possible as the controller will likely be powered from a 12v aux battery. 72v 1000+ amps for offroad and 144v 1000+ amps for on road. https://www.youtube.com/watch?v=RF3kOhsRdgU Sent from my SM-G960U using Tapatalk |
01-17-2021, 05:42 PM | #15 |
Just Gone
Join Date: Sep 2015
Location: North Carolina
Posts: 3,549
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Re: EPIC amp ATV
Very cool Jerid!
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01-18-2021, 08:22 PM | #16 |
Gone Wild
Join Date: Jul 2017
Location: West Columbia Texas
Posts: 1,036
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Re: EPIC amp ATV
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01-18-2021, 08:30 PM | #17 |
Gone Wild
Join Date: Jul 2017
Location: West Columbia Texas
Posts: 1,036
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Re: EPIC amp ATV
This is the bms I am going to use. One for each 20s set.
The plan is to use the discharge terminals to power 2 relays that will enable and disable the main contactor and also my charger relay. Sent from my SM-G960U using Tapatalk |
01-28-2021, 01:43 PM | #18 |
Gone Wild
Join Date: Jul 2017
Location: West Columbia Texas
Posts: 1,036
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Re: EPIC amp ATV
Few more modules added!
Now I'm working on getting mounting plates made and collecting wiring supplies to hookup the bms units and also the control circuits for the charge and dischatge. Sent from my SM-G960U using Tapatalk |
02-03-2021, 05:31 AM | #19 |
Gone Wild
Join Date: Jul 2017
Location: West Columbia Texas
Posts: 1,036
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Re: EPIC amp ATV
Finished up the relay control box for my bms units. Still trying to find time to finish the drawings for my battery mounts and enclosure lid. On a positive note I have been driving the buggy every chance I get. All the mechanical components are finally loosening up. The 4th gear 15mph is only pulling 30amps flat ground so that suggest a best case scenario of range at around 75mi. Probably half that on soft terrain.
Sent from my SM-G960U using Tapatalk |
02-03-2021, 08:43 AM | #20 |
Getting Wild
Join Date: Apr 2020
Posts: 95
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Re: EPIC amp ATV
Ummm... I want that.
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